Pfizer has issued an update regarding the availability of Norpace CR (disopyramide phosphate extended-release capsules). 

Due to ongoing manufacturing issues, Norpace CR continues to be in short supply with normal resupply not expected until 2018. Currently, only Norpace CR 100mg in 100-count bottles is available (NDC# 0025-2732-31) through drop shipment; Norpace CR 100mg (500-count bottles), and Norpace CR 150mg (100-count and 500-count bottles) are not available and are on backorder. 

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Norpace CR is a Type 1 antiarrhythmic drug indicated for the treatment of documented ventricular arrhythmias, such as sustained ventricular tachycardia, that, in the judgement of the physician, are life-threatening. Because of the proarrhythmic effects of the drug, its use with lesser arrhythmias is generally not recommended. 

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Norpace (disopyramide phosphate capsules) is not affected by this manufacturing event.

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